HP ScanJet Pro 3500 f1 Flatbed – USB3.0, ADF, F4

• Flatbed, ADF
• Up to 600 dpi (color and mono, ADF); Up to 1200 dpi (color and mono, flatbed)
• Up to 25 ppm/50 ipm (300 dpi)
• USB 2.0 and USB 3.0 (SuperSpeed)
• Recommended daily duty cycle: 3000 pages (ADF)

https://store.hp.com/id-en/default/hp-scanjet-pro-3500-f1-flatbed-scanner-l2741a.html